CVE-2017-17091

wp-admin/user-new.php in WordPress before 4.9.1 sets the newbloguser key to a string that can be directly derived from the user ID, which allows remote attackers to bypass intended access restrictions by entering this string.

• CWE-330

• http://www.securityfocus.com/bid/102024Third Party Advisory, VDB Entry
• https://codex.wordpress.org/Version_4.9.1Patch, Release Notes
• https://github.com/WordPress/WordPress/commit/eaf1cfdc1fe0bdffabd8d879c591b864d833326cPatch
• https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html
• https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/Release Notes
• https://wpvulndb.com/vulnerabilities/8969Third Party Advisory, VDB Entry
• https://www.debian.org/security/2018/dsa-4090
• http://www.securityfocus.com/bid/102024Third Party Advisory, VDB Entry
• https://codex.wordpress.org/Version_4.9.1Patch, Release Notes
• https://github.com/WordPress/WordPress/commit/eaf1cfdc1fe0bdffabd8d879c591b864d833326cPatch
• https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html
• https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/Release Notes
• https://wpvulndb.com/vulnerabilities/8969Third Party Advisory, VDB Entry
• https://www.debian.org/security/2018/dsa-4090

Published

Dec 2, 2017

Last Modified

Jun 17, 2026

Status

Modified

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